Add zin.is-a.dev domain

domains/zin.json

@@ -0,0 +1,11 @@
+{
+  "description": "Personal portfolio",
+  "repo": "https://github.com/zin-ix/portfolio",
+  "owner": {
+    "username": "zin-ix",
+    "email": "meljun.mariquit26@gmail.com"
+  },
+  "records": {
+    "CNAME": "zin-ix.github.io"
+  }
+}